Home / 73,091.16-100,865.85-39,557.16

Finding the Fourth Proportional to 73,091.16, 100,865.85 and 39,557.16

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Solution

The fourth proportional to 73,091.16, 100,865.85 and 39,557.16 is: 54,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,091.16 : 100,865.85 = 39,557.16 : x
  2. Step 2: Convert to fraction form
    73,091.16/100,865.85 = 39,557.16/x
  3. Step 3: Cross multiply
    73,091.16x = 100,865.85 × 39,557.16
  4. Step 4: Simplify right side
    73,091.16x = 3,989,966,566.99
  5. Step 5: Solve for x
    x = 3,989,966,566.99/73,091.16
  6. Step 6: Final answer
    x = 54,588.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.